C. Some enzymes behave unnaturally in a test tube,
Answer:
does not meet the requirements of something that is "alive"
Explanation:
In order for something to be considered or clasified as "alive", they would need to have each and every one of the 8 characteristics of being alive. Missing one would ultimately not classify it as being "alive" in accordance to the very definition of that word. These 8 characteristics are the following.
- cellular organization
- reproduction
- metabolism
- homeostasis
- heredity
- response to stimuli
- growth and development
- adaptation through evolution.
Of these 8 characteristics, Quartz crystals only exhibit response to stimuli, growth and development, and reproduction, but does not exhibit the rest of the characteristics and is therefore not classified as "alive"
Answer:
The main function of the cell nucleus is to control gene expression and mediate the replication of DNA during the cell cycle. The nucleus is an organelle found in eukaryotic cells. Inside its fully enclosed nuclear membrane, it contains the majority of the cell's genetic material.
Explanation: Well it's a known fact!!!!!